| 单词 | bottom boards |
| 释义 | Definition of bottom boards in English:bottom boardsnoun
OriginLate 18th century; earliest use found in William Boys (1735–1803), surgeon and topographer. Definition of bottom boards in US English:bottom boardsnoun
OriginLate 18th century; earliest use found in William Boys (1735–1803), surgeon and topographer. |
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